The Schneider Electric RZM021FP is a protection module from the Harmony Electromechanical Relays range, designed as a varistor and green LED indicator accessory for RSZ and RGZ relay sockets. It operates on a control circuit voltage of 110 to 230 V AC/DC and serves to protect relay coils while providing a visual power-on indication.

Technical specifications:

Commercial reference: RZM021FP
Manufacturer: Schneider Electric
EAN: 3389110261820
Series / range: Harmony Electromechanical Relays
Product type: Protection module
Accessory function: Varistor + green LED indicator
Control circuit voltage: 110…230 V AC/DC
Compatible sockets: RSZ socket (1 C/O), RSZ socket (2 C/O), RGZ socket (1 C/O), RGZ socket (2 C/O)
Intended relay: RSB relay
Product weight: 0.005 kg
Sold in indivisible quantities of: 10
Warranty: 18 months

Features and benefits:

Combines varistor surge suppression with a green LED power indicator in a single compact module
Wide voltage range (110…230 V AC/DC) suits both AC and DC control circuits across common industrial voltages
Compatible with RSZ and RGZ relay socket families for flexible integration
Green LED provides instant visual confirmation that the relay coil is energised
RoHS compliant – free from toxic heavy metals and mercury
Carbon emission of 1 kg CO2 eq., with no dedicated recycling operations required

Applications:

Coil protection and status indication in RSB relay installations within control panels
Industrial automation cabinets where relay coil transient suppression is required
Machine control systems using RSZ or RGZ sockets operating on 110…230 V AC/DC supplies
Building automation panels requiring visual relay status monitoring

Compliant with EU RoHS and REACh regulations (no SVHC substances). Part of the Schneider Electric Harmony Electromechanical Relays range.

Also known as: Schneider RZM021FP, Schneider Electric RZM021FP, Harmony relay LED indicator module, relay socket protection module.

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